Beats may have the answers we’re looking for. Via an old FAQ post, Beats Music notes that some tracks would stream at 256kbps, but called 320kbps the “industry standard.”

Beats also points out higher bitrate streaming leads to more data consumption.

There’s been no lavish outcry for better iTunes playback quality, suggesting users either can’t tell the difference between 256kbps and 320kbps — or just don’t care.

Besides, it makes for a nice vertical marketing opportunity when new Beats headphones that can “enhance” your listening experience come out.

Note: Apple has confirmed 256kbps streaming, but not AAC. Beats Music uses MP3 streaming technology. While AAC streaming would typically be better than MP3, we don’t have confirmation of that technology for Apple Music.